| English | Dutch |
| blue and red shrimp | rode garnaal (Aristeus antennatus) |
| blue antimora | blauwe heek (Antimora rostrata) |
| blue-billed firefinch | donkerrode amarant (Lagonosticta rubricata) |
| blue-billed weaver | roodborstblauwsnavel (Spermophaga haematina) |
| blue butterfish | blauwe botervis (Stromateus fiatola) |
| blue-checked bee-eater | groene bijeneter (Merops superciliosus) |
| blue-checked bee-eater | blauwwangbijeneter (Merops superciliosus) |
| blue duiker | boloko (Cephalophus monticola) |
| blue duiker | dwergduiker (Cephalophus monticola) |
| blue duiker | blauwe duiker (Cephalophus monticola) |
| blue-fish | zeepiranha (Pomatomus saltator, Pomatomus saltatrix, Temnodon saltator) |
| blue-fish | blauwvis (Pomatomus saltator, Pomatomus saltatrix, Temnodon saltator) |
| blue fleabane | scherpe fijnstraal (Erigeron acer L.) |
| blue grenadiers | grenadiers (Macruronus spp.) |
| blue hare | sneeuwhaas (Lepus timidus) |
| blue-headed wagtail | gele kwikstaart (Motacilla flava flava) |
| blue jack mackerel | blauwe horsmakreel (Trachurus picturatus) |
| blue legs | paddestoel (Psilocybe cubensis, Psilocybe cubensis, Psilocybe semilanceata, psilocybe) |
| blue legs | psilocybezwam (Psilocybe cubensis, Psilocybe cubensis, Psilocybe semilanceata, psilocybe) |
| blue legs | psilocybepaddestoel (Psilocybe cubensis, Psilocybe cubensis, Psilocybe semilanceata, psilocybe) |
| blue legs | God's flesh (Psilocybe cubensis, Psilocybe cubensis, Psilocybe semilanceata, psilocybe) |
| blue mussel | eetbare mossel (Mytilus edulis) |
| blue mussel | mossel (Mytilus edulis) |
| blue-naped parrot | blauwschedelpapegaai (Tanygnathus lucionensis) |
| blue rock thrush | blauwe rotslijster (Monticola solitarius) |
| blue shark | blauwe haai (Carcharhinus glaucus, Carcharias glaucus, Prionace glauca, Squalus glaucus) |
| blue spruce gall aphid | douglaswolluis (Adelges cooleyi, Chermes cooleyi, Chermes oweni, Gillettea cooleyi, Gilletteella cooleyi) |
| blue-throated conure | blauwkeelconure (Pyrrhura cruentata) |
| blue-throated curassow | witkuifsjakoehoen (Pipile pipile pipile) |
| blue-throated curassow | witkopgoean (Pipile pipile pipile) |
| blue tit | pimpelmees (Cyanistes caeruleus, Parus caeruleus) |
| blue whale | blauwe vinvis (Balaenoptera musculus) |
| blue willow beetle | blauwe wilgehaan (Phratora vulgatissima, Phyllodecta vulgatissima) |
| blue-winged pitta | blauwvleugelpitta (Pitta brachyura nympha) |
| blue-winged pitta | Japanse negenkleurige pitta (Pitta brachyura nympha) |
| blue-winged teal | blauwvleugeltaling (Anas discors) |
| Kentucky blue grass | veldbeemdgras (Poa pratensis) |
| little blue heron | kleine blauwe reiger (FLorida caerulea, Hydranassa caerulea) |
| little blue macaw | Spix's ara (Cyanopsitta psixii) |
| Rueck's blue flycatcher | Ruecks blauwe vliegenvanger (Muscicapa ruecki) |
| russian blue tit | Pleske's mees (Parus cyanus, Parus pleskii) |
| russian blue tit | azuurmees (Parus cyanus, Parus pleskii) |
| small blue lema | graanhaan (Lema cyanella, Oulema erichsoni sapporensis) |
| small blue lema | graangoudhaantje (Lema cyanella, Oulema erichsoni sapporensis) |
| southern blue whiting | zuidelijke blauwe wijting (Micromesistius australis) |
